The Sense Innovations ESS-Dual+ Engine Sound System features two opposing speakers to provide a balanced sound and better diffusion. Lightweight and compact in size, the ESS-Dual+ is easy to install with your choice of four mounting holders included in the box. Plus, the output is circuit, overload and thermally protected, making this the most durable and capable ESS system ever. 

Applicable to a variety of vehicles: drift, crawler, rally, etc.